Payload release by liposome burst: Thermal collapse of microgels induces satellite destruction.

Payload release by liposome burst: Thermal collapse of microgels induces satellite destruction.
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脂质体爆裂释放有效载荷:微凝胶的热塌陷导致卫星破坏

DOI:
10.1016/j.nano.2017.02.001
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发表时间:
2017
期刊:
Nanomedicine : nanotechnology, biology, and medicine
影响因子:
--
通讯作者:
F. Menger
F. Menger
中科院分区:
--
文献类型:
--
作者:
A. Yaroslavov;I. Panova;A. Sybachin;V. Spiridonov;A. Zezin;O. Mergel;A. Gelissen;R. Tiwari;F. Plamper;W. Richtering;F. Menger

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我们提出了一种智能脂质体载体系统的刺激释放,由阳离子,热响应性微凝胶。在低温下,溶胀的微凝胶吸附约200个直径为50 nm的阴离子脂质体。当从39 °C加热至41 °C时,微凝胶-脂质体复合物颗粒从约20 ° C塌陷。370 nm下至约。270 nm。在热诱导塌陷时,吸附的脂质体卫星层被挤压,直到最初的球形脂质体爆炸并将其有效载荷(抗肿瘤药物阿霉素)释放到周围。这种突发释放机制,发生在一个狭窄的温度范围内,是新报道的,可能具有生物医学的重要性。
We present a smart liposome carrier system for stimulated release, consisting of cationic, thermo-responsive microgels. At low temperature, the swollen microgels adsorb about 200 anionic liposomes, 50 nm in diameter, per microgel. When heated from 39 °C to 41 °C, the microgel–liposome complex particles collapse from approx. 370 nm down to approx. 270 nm. Upon the thermo-induced collapse, the adsorbed liposome satellite layer is squeezed until the initially spherical liposomes explode and release their payload (antitumor drug doxorubicin) into the surrounding. This burst release mechanism, taking place over a narrow temperature range, is newly reported and of possible biomedical importance.
DOI: --
发表时间: 2014
期刊: Langmuir
影响因子: 3.9
作者:
A. Sybachin;O. V. Zaborova;V. N. Orlov;Pavel I. Semenyuk;Matthias Ballauff;E. Kesselman;Judith Schmidt;Y. Talmon;F. Menger;A. Yaroslavov
通讯作者: A. Yaroslavov
聚阳离子刷与阴离子脂质体复合物的结构和性能
DOI: --
发表时间: 2011
期刊:
影响因子: --
作者:
O. V. Zaborova;A. Sybachin;M. Ballauff;A. Yaroslavov
通讯作者: A. Yaroslavov
DOI: 10.1021/jp508711k
发表时间: 2014-11-13
影响因子: 3.7
作者:
Mergel, Olga;Gelissen, Arjan P. H.;Plamper, Felix A.
通讯作者: Plamper, Felix A.